package NewCoder;

public class BM32 {
    public TreeNode mergeTrees (TreeNode t1, TreeNode t2) {
        // write code here
        if(t1==null) return t2;
        if(t2==null) return t1;
        TreeNode root=new TreeNode(t1.val+t2.val);
        root.left=mergeTrees(t1.left,t2.left);
        root.right=mergeTrees(t1.right,t2.right);
        return root;
    }
}
